🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.2

Radius: 13.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.79 AU - 1.17 AU

Year: 670 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,732,920 km

• M1: 165,455 km (0.074 R)
• M2: 634,445 km (0.119 R)
• M3: 1,234,332 km (0.038 R)
• M4: 2,014,335 km (0.077 R)
• M5: 2,587,594 km (0.113 R)
• M6: 3,294,744 km (0.088 R)
• M7: 3,758,647 km (0.103 R)
• M8: 4,586,072 km (0.101 R)
• M9: 5,365,627 km (0.088 R)
• M10: 6,902,745 km (0.087 R)
• M11: 8,193,176 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 9.7

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.84 AU - 2.58 AU

Year: 2268 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,732,920 km

• M1: 122,820 km (0.114 R)
• M2: 449,841 km (0.061 R)
• M3: 771,327 km (0.104 R)
• M4: 1,459,327 km (0.119 R)
• M5: 2,414,061 km (0.045 R)
• M6: 3,424,295 km (0.103 R)
• M7: 4,830,216 km (0.039 R)
• M8: 5,700,576 km (0.114 R)
• M9: 7,108,143 km (0.061 R)
• M10: 8,598,736 km (0.102 R)
• M11: 9,471,490 km (0.096 R)
• M12: 11,598,024 km (0.12 R)
• M13: 12,229,327 km (0.088 R)
• M14: 15,034,885 km (0.104 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.5

Radius: 6.4

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.12 AU - 6.56 AU

Year: 9742 Days

Day: 20.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,732,920 km

• M1: 87,365 km (0.063 R)
• M2: 298,149 km (0.082 R)
• M3: 945,758 km (0.08 R)
• M4: 1,647,521 km (0.072 R)
• M5: 2,164,980 km (0.063 R)
• M6: 2,671,070 km (0.066 R)
• M7: 4,832,909 km (0.106 R)
• M8: 5,539,011 km (0.119 R)
• M9: 7,450,872 km (0.076 R)
• M10: 10,694,453 km (0.033 R)
• M11: 12,146,898 km (0.112 R)
• M12: 13,222,208 km (0.105 R)
• M13: 17,088,415 km (0.111 R)
• M14: 19,277,630 km (0.054 R)
• M15: 22,190,151 km (0.091 R)
• M16: 24,957,712 km (0.101 R)
• M17: 26,955,143 km (0.104 R)
• M18: 33,171,832 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.9

Radius: 8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.4 AU - 7.61 AU

Year: 11439 Days

Day: 21 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,732,920 km

• M1: 126,560 km (0.113 R)
• M2: 450,290 km (0.041 R)
• M3: 743,053 km (0.071 R)
• M4: 1,205,609 km (0.071 R)
• M5: 1,467,406 km (0.115 R)
• M6: 3,821,178 km (0.106 R)
• M7: 4,246,485 km (0.083 R)
• M8: 9,070,568 km (0.057 R)
• M9: 11,662,351 km (0.108 R)
• M10: 12,506,831 km (0.109 R)
• M11: 18,318,110 km (0.081 R)
• M12: 22,702,075 km (0.086 R)
• M13: 24,571,749 km (0.083 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 19,465 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit